MediaWiki Zero-Day Vulnerability Affects CommentFormatter/CommentParser.php
CVE-2024-34507

7.4HIGH

Key Information:

Vendor

MediaWiki
Status
Mediawiki
Vendor
CVE Published:
5 May 2024

What is CVE-2024-34507?

A Cross-Site Scripting (XSS) vulnerability exists in MediaWiki due to improper handling of the 0x1b character in includes/CommentFormatter/CommentParser.php. This issue affects various versions of MediaWiki, allowing attackers to inject malicious scripts through specially crafted inputs, such as those seen in Special:RecentChanges. Users of vulnerable versions may face increased risk of data theft and other malicious exploits.

References

https://phabricator.wikimedia.org/T355538
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.